Despite the prospect of a potentially tough 2010 reelection fight, the combative Democratic leader has assumed full ownership of a 2,074-page bill that would cost $848 billion over 10 years and institute the most far-reaching changes to the system in generations. As the Senate debate unfolds on the chamber floor, Reid has remained burrowed in his office, looking past the daily political drama playing out and, as he said recently, "getting my deals done."